Many of the world's greatest empires may have been built by men who wore sandals, but nothing of value was built by people wearing flip-flops.

Stronger, here is a picture of Sir Richard Branson who built Virgin Atlantic wearing flip flops, the Virgin Atlantic company has a new worth of 5+ billion dollars

https://www.gandyslondon.com/media/expertcms//b/r/branson_small_1.jpg

#6 is wrong in many ways